V2EX muscularis mucosae

Muscularis mucosae

定义 Definition

黏膜肌层:位于黏膜(mucosa)底部的一层薄的平滑肌(通常为内环外纵的肌束),能使黏膜产生轻微运动与褶皱,帮助分泌物排出并增加黏膜与腔内容物的接触。在消化道等器官的组织学分层中,它将黏膜黏膜下层(submucosa)分隔开。(不同器官厚薄与发育程度可有差异。)

发音 Pronunciation (IPA)

/mskjlrs mjukosi/

例句 Examples

The muscularis mucosae is a thin layer of smooth muscle.
黏膜肌层是一层很薄的平滑肌。

In inflammatory bowel disease, disruption of the muscularis mucosae can make it harder to judge how deeply inflammation extends into the bowel wall.
在炎症性肠病中,黏膜肌层的破坏会使判断炎症向肠壁深部扩展的程度更困难。

词源 Etymology

该词为拉丁语来源的解剖学术语:muscularis 意为“肌性的/肌层的”(来自 musculus “小肌肉/肌”),mucosaemucosa(“黏膜”)的属格形式,表示“黏膜的”。合起来即“黏膜的肌层”。

相关词 Related Words

文学与经典著作 Literary Works

  • Gray’s Anatomy(《格雷解剖学》)在消化道壁层结构与显微解剖章节中讨论黏膜肌层。
  • Junqueira’s Basic Histology(《Junqueira 基础组织学》)用于讲解胃肠道黏膜、黏膜下层及其分界(黏膜肌层)。
  • Robbins & Cotran Pathologic Basis of Disease(《Robbins & Cotran 病理学基础》)在胃肠道病理与分期/浸润深度相关内容中常提及黏膜肌层作为层次标志。
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